What powers hotelperk.cz?
Last seen Oct 2026 · 17 technologies across 11 categories
Analytics
Google Analytics
since May 2023
Cookie compliance
Cookie Script
since Jul 2025
Microsoft 365
since May 2025
Sendgrid
since Apr 2026
Font scripts
Typekit
since May 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Mar 2023
Operating systems
Windows Server
since May 2023
Security
HSTS
since Oct 2023
Tag managers
Google Tag Manager
since Jul 2025
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 74% phone
- 26% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.94 / 10 · ranked #1,700,201 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 5.1 MB · 49 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (89.185.232.138)
- DNS: microsoftonline.com
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 3072, expires Jan 2027
- Common Crawl link graph: rank 14,701,393, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.hotelperk.cz | 15 |
| hotelperk.cz | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Facebook Pixel Apr 2026
- detected Sendgrid Apr 2026